213072085

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 271411200

約数和(自身を除く): 58339115

約数列:

[1, 5, 37, 61, 79, 185, 239, 305, 395, 1195, 2257, 2923, 4819, 8843, 11285, 14579, 14615, 18881, 24095, 44215, 72895, 94405, 178303, 539423, 698597, 891515, 1151741, 2697115, 3492985, 5758705, 42614417, 213072085]

約数ペア:

[(1, 213072085), (5, 42614417), (37, 5758705), (61, 3492985), (79, 2697115), (185, 1151741), (239, 891515), (305, 698597), (395, 539423), (1195, 178303), (2257, 94405), (2923, 72895), (4819, 44215), (8843, 24095), (11285, 18881), (14579, 14615)]